Siphon.



PATENTED SEPT; 22, 1903.

No. 739,489. 0; H. GILBY.

v SIPHON.

APPLICATION Hum an. e. 1992..

1'0 uonnn.

ito. 739,489.

UNITED STATES- i atenteol September 22, 190 3.

PATENT OFFICE;

CHARLES HORACE GILBY, OF CHRISTCHURCH, NEW ZEALAND.

srncr'rrcnrroiv forming part of LettersIPatent No. 739,489, dated September 22, mos.

' Application filed March 6,1902. Serial No. 96,994. (No modeLl of which may be thrown below and above the liquid-level of the receptacle or other article from which the liquid is being drawn and at the same time the liquid is held within the siphon-tube, so that when the outlet is thrown below the liquid-level siphonic action takes place without the necessity of filling the tube after every stop or providing valves. This is accomplished by providing a movable device on the delivery end of the siphon-tube adapted to contain liquid to provide a seal to prevent the entrance of air to the tube when the outlet is above the liquid-level and to permit the liquid to flow through the tube as soon asthe outlet drops beneath the liquid-level.

The device is also employed for giving the tube the initial or preliminary filling. In the accompanying drawings, Figure 1 is a side elevation of my improved siphon; and Fig. 2 is a similar View, enlarged, showing the stuffing-box and the spout in section. The siphon-tube A is of ordinary construction, and on the delivery or long leg thereof is a sleeve B, closed at its top except for an outlet or spout C upon one side thereof. The closure of the top is effected by means of a stuffing-box D and a gland (1, through. which the long leg of the tube works. Means is pro vided for securing one leg of the siphon within an opening of a tank or the like. This means consists of a spring made out of a single strip of material bent to form a loop 1,

which embraces thesiphou-tube, and two spring-arms, which engage and receive the walls of the opening in which they are inserted.

The spring-arms are formed by deflecting the strip upwardly and outwardlyto provide inclined walls 2, by which the armsare press ed together, thence upwardly and inwardly, and thence upwardly and outwardly to provide recesses 3, in which the walls of the opening are received. The end of one of these spring- 'c is then closed by placing the finger over the same, and the sleeve is drawn downwardly to exhaustthe air from the tube, whereby the liquid from the receptacle then passes into the tube to fill'the vacuum. The finger is withdrawn from the spout, and the outlet being lower than the liquid-level the liquid flows through the sleeve and out of the outlet. When it is desired to stop the flow and still retain liquid within the siphon-tube, the sleeve is raised until the outlet is above the liquid-level, when the liquid within the sleeveforms a seal for the end of the tube and prevents the entrance of air thereto.

Having thus describedthe invention, the following is what is claimed as new therein:

1. The combination with the siphon-tube, of a sleeve slidable on the delivery-leg thereof, provided with an outlet at such a point that when the said sleeve is in one position the outlet will be below the liquid-level, and when in the other position will be above said liquid-level said sleeve being adapted to contain liquid which holds the liquid within the siphon-tube when the outlet is above the liquid-level, and permits it. to flow when the outlet is below the liquid-level.

2. The combination with the tube, of a sleeve, closed at its lower end, and at' its upper end except for an outlet, said sleeve being slidable on the delivery-leg of the tube, around which it forms a continuous space throughout its length, the outlet being located at a point to permit it to be lowered be neath the liquid-level of the tube when the In testimony whereof I have signed this sleeve is lowered, and to be raised above the specification in the presence of two subscribliquid-level when the sleeve is raised. ing Witnesses.

3. The combination with the siphon-tube, CHARLES HORACE GILBY.

5 of a sleeve closed at its lower end, and at its Witnesses:

top except for a valveless outlet, and slidable EDWIN EGBERT PATTEN,

P. M. NEWTON.

on the delivery-leg of the tube. 

